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<?php
/**
* @copyright (C) 2013 iJoomla, Inc. - All rights reserved.
* @license GNU General Public License, version 2 (http://www.gnu.org/licenses/gpl-2.0.html)
* @author iJoomla.com <webmaster@ijoomla.com>
* @url https://www.jomsocial.com/license-agreement
* The PHP code portions are distributed under the GPL license. If not otherwise stated, all images, manuals, cascading style sheets, and included JavaScript *are NOT GPL, and are released under the IJOOMLA Proprietary Use License v1.0
* More info at https://www.jomsocial.com/license-agreement
*/
defined('JPATH_PLATFORM') or die;
/**
* JUtility is a utility functions class
*
* @package Joomla.Platform
* @subpackage Utilities
* @since 11.1
*/
class CCSV
{
/**
* Inser data into csv string
*/
static public function insert($csv, $item)
{
$csv = $csv ? $csv : '';
$items = explode( ',', trim( $csv, ',' ) );
array_push( $items, $item );
$items = array_unique( $items );
return ltrim( implode( ',', $items ), ',' );
}
/**
* Remove data into csv string
*/
static public function remove($csv, $item)
{
$items = explode( ',', trim( $csv, ',' ) );
$items = array_diff( $items, array($item ));
return ltrim( implode( ',', $items ), ',' );
}
/**
* Return true if the item is part of the csv data
*/
static public function exist($csv, $item)
{
$items = explode( ',', trim( $csv, ',' ) );
return in_array( strval($item), $items );
}
/**
*
*/
static public function count($csv)
{
$csv = trim( $csv, ',' );
if(empty($csv)){
return 0;
}
$items = explode( ',', $csv);
return count($items);
}
/**
* Merge 2 csv string
*/
static public function merge($csv1,$csv2)
{
$items1 = explode( ',', trim( $csv1, ',' ) );
$items2 = explode( ',', trim( $csv2, ',' ) );
$items = array_unique(array_merge($items1, $items2));
return ltrim( implode( ',', $items ), ',' );
}
static public function diff( $csv1, $csv2)
{
$items1 = explode( ',', trim( $csv1, ',' ) );
$items2 = explode( ',', trim( $csv2, ',' ) );
$items = array_unique(array_diff($items1, $items2));
return ltrim( implode( ',', $items ), ',' );
}
}